The peace conference ending the russo-japanese war took place in which country?
the us
japan
russia
china

The peace conference took place at Portsmouth Naval Shipyard, Kitery, Maine, US.
 
To finally end the conflict, Japan and Russia made a treaty called "The Treaty of Portsmouth".  This made 12 sessions that lasted for almost a month in August. Theodore Roosevelt became the mediator of this agreement between the two powerful countries.

No we should just pass

Because broadest terms allows the law flexibility depending on changing society and circumstances.